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From the Watchtower

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Sourced, decision-ready oncology competitive intelligence — published as it moves.

Briefing · 2026-06-15

Spectrum Exits the Poziotinib Exon 20 Program: Four Trials Halted, Stated Reasons Explicitly Exclude Safety

Four terminated or suspended studies, zero Phase 3 enrollees, active FDA redesign talks: stated reasons across all Spectrum-sponsored poziotinib terminations explicitly exclude safety — the regulatory and strategic picture is the story.